Home / 1,162,621.85-1,604,224.22-646,361.33

Finding the Fourth Proportional to 1,162,621.85, 1,604,224.22 and 646,361.33

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Solution

The fourth proportional to 1,162,621.85, 1,604,224.22 and 646,361.33 is: 891,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,621.85 : 1,604,224.22 = 646,361.33 : x
  2. Step 2: Convert to fraction form
    1,162,621.85/1,604,224.22 = 646,361.33/x
  3. Step 3: Cross multiply
    1,162,621.85x = 1,604,224.22 × 646,361.33
  4. Step 4: Simplify right side
    1,162,621.85x = 1,036,908,489,204.48
  5. Step 5: Solve for x
    x = 1,036,908,489,204.48/1,162,621.85
  6. Step 6: Final answer
    x = 891,870.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.